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Connector Positions And Pin Assignment; Logic Board - Canon BJC-820 Service Manual

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Part 5: REFERENCE

2. CONNECTOR POSITIONS AND PIN ASSIGNMENT

2.1 Logic Board

1
JPOW1
1
1
20
20
8 1
2
3
1
1
1
JGAP1
JPGS1
2
40
Figure 5-6 Logic Board
Logic Board
Address Bus A4-A21
Data Bus D0-D15
ASF
ASF Sensor
2 Kbit
PES
EEPROM
Paper End
Sensor
Error Indicator
RESUME Switch
Voltage Indicator
POWER Switch
INT
~
0
3
RESX
Reset IC
PC0
H_D0,1
HSEL1A0,1
H_CLOK0,
HSEL1B0,1
1
HSEL2A0,1
HSEL2B0,1
PGS
GAPS
Driver IC
Driver IC
Figure 5-7 Block Diagram
5
4
1
1
24Mhz
AN2
BZ
Ink Sensor
P103
Beeper
Cover Sensor
P104
~107
Carriage Board
AN1
P86
P64
Internal Temperature
~67
Sensor (TH1)
AN6
RESX
HRANK0,1
DIODE0,1
Encoder
H_RSTX
ODD,EVEN
Cartridge Contacts
H_LTH
BENB0,1
DIR
~
HENB0K
5
SUBH0,1
Purge Sensor
Paper Thickness Sensor
PM
Purge Motor
PM
Paper Feed Motor
DC
Carriage Motor
5-6
3
1
19
1
36
18
2
1
JIF2
3
4
Scanner Cartridge
BJ Cartridge
Parallel Interface
USB Interface
BJC-8200

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